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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG844642124

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844642124

Diamond specifications and retailer prices

From $1,281 AUD
$900 USD
As of November 1, 2026
Save $2,713 AUD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,994 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG844642124 or 844642124. Listed at 4 retailers as of November 1, 2026, with prices from $1,281 to $3,994, a $2,713 spread on the same certified stone. MOH London lists it at $3,994. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844642124
Dimensions9.30 × 10.61 × 5.89 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.30 mm10.61 mm3.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844642124
Side View
Table 65.0%Crown 42.5°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 55.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,994 AUD|Low: $1,281 AUD|High: $4,016 AUD|Avg: $2,252 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$1,281 AUD
Retailer 2$1,490 AUD
Retailer 3$2,235 AUD
MOH London$3,994 AUD

14 data points across 4 retailers

4 retailers$1,281 AUD to $3,994 AUD

B+
Cheapest Retailer
-
$1,281 AUD
$900 USD
A
Retailer 2
-
$1,490 AUD
£824 GBP
View
B+
Retailer 3
-
$2,235 AUD
$1,570 USD
View
Most Expensive
B
MOH London
LG844642124 · Nov 1
$3,994 AUD
£2,209 GBP
View
3 more retailers have this diamond
Prices start from $1,281 AUDSave up to $2,713 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.51ct Heart
$1,281 AUD